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How to pass variable from jade template file to a script file?
...s how I addressed this (using a MEAN derivative)
My variables:
{
NODE_ENV : development,
...
ui_varables {
var1: one,
var2: two
}
}
First I had to make sure that the necessary config variables were being passed. MEAN uses the node nconf package, and by default is set up to li...
Why is my git repository so big?
... warnings;
use strict;
use IPC::Open2;
use v5.14;
# Try to get the "format_bytes" function:
my $canFormat = eval {
require Number::Bytes::Human;
Number::Bytes::Human->import('format_bytes');
1;
};
my $format_bytes;
if ($canFormat) {
$format_bytes = \&format_bytes;
}
else {
...
Sleep for milliseconds
... facilities:
#include <chrono>
#include <thread>
std::this_thread::sleep_for(std::chrono::milliseconds(x));
Clear and readable, no more need to guess at what units the sleep() function takes.
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...
select、poll、epoll之间的区别总结[整理] - C/C++ - 清泛网 - 专注C/C++及内核技术
...1、select实现
select的调用过程如下所示：
（1）使用copy_from_user从用户空间拷贝fd_set到内核空间
（2）注册回调函数__pollwait
（3）遍历所有fd，调用其对应的poll方法（对于socket，这个poll方法是sock_poll，sock_poll根据情况会调用到...
How to export table as CSV with headings on Postgresql?
...
COPY products_273 TO '/tmp/products_199.csv' WITH (FORMAT CSV, HEADER);
as described in the manual.
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...
How do I access command line arguments in Python?
...a small example:
import argparse
parser = argparse.ArgumentParser("simple_example")
parser.add_argument("counter", help="An integer will be increased by 1 and printed.", type=int)
args = parser.parse_args()
print(args.counter + 1)
and the output for python prog.py -h
usage: simple_example [-h] ...
How to convert ActiveRecord results into an array of hashes
...
as_json
You should use as_json method which converts ActiveRecord objects to Ruby Hashes despite its name
tasks_records = TaskStoreStatus.all
tasks_records = tasks_records.as_json
# You can now add new records and return the...
What is pseudopolynomial time? How does it differ from polynomial time?
...n the array, while in TSP n refers to the number of nodes in the graph. In order to standardize the definition of what "n" actually means in this context, the formal definition of time complexity defines the "size" of a problem as follows:
The size of the input to a problem is the number of bits...
How is a tag different from a branch in Git? Which should I use, here?
... you've written. However, you're free to create and use more bookmarks, in order to mark other points of interest in the book, so you can return to them quickly.
Also, you can always move a particular bookmark to some other page of the book (using git-reset, for instance); points of interest typic...
Python date string to date object
...<stdin>", line 1, in <module>
File "/usr/local/lib/python2.7/_strptime.py", line 308, in _strptime
format_regex = _TimeRE_cache.compile(format)
File "/usr/local/lib/python2.7/_strptime.py", line 265, in compile
return re_compile(self.pattern(format), IGNORECASE)
File "/usr/...